What: "Interferons "are like the Paul Revere of the cell," says Dale Barnard, a professor of microbiology at Utah State University. Once a virus has taken over a cell and starts to make double-stranded RNA or a DNA/RNA hybrid, the defeated human cell begins to make interferons. Interferons then leave the cell and bind to neighboring uninfected cells, triggering the production of antiviral proteins. "Interferon is the warning messenger,"

Writer: Dale Barnard

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Date: May 9 2013 7:11 PM